Colombo weather in May (Colombo District, Sri Lanka)
Thinking of visiting Colombo in May? Check the weather first! Wondering about the weather this month? Our guide has all the details you need.
Temperatures
In May, Colombo usually has very high temperatures and heavy rainfall. In the daytime, temperatures tend to hover near 31°C, cooling down at night to around 26°C. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.
Precipitation
Colombo in May falls under the rainy season with heavy rainfall, averaging around 294 mm for the month. Typically around 14 days days of rainfall are expected.Average sunshine
There are approximately 202 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Colombo. January, February and March typically offer the most agreeable circumstances. On the other hand, April, May, June, July, August, September, October and November tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Colombo climate page with graphs.
Colombo, monthly averages in May
Min Temperature
26°C
Max Temperature
31°C
Water Temperature
28°C
Chance of Rain
46%
Precipitation
294 mm
Rainy days
14 days
Humidity
77%
Windspeed
7 km/h
Sunshine
202 hours
Percentage Sunshine
Where to go in Sri Lanka in May
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 28°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Colombo.
Our site offers climate and forecast data for every country in the world. Are you going to Sri Lanka? On this website you can find historical weather averages for many cities in Sri Lanka. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
